/Engine/Source/Developer/AssetTools/Public/IAssetTools.h
Copies files after the flattened map of sources and destinations was confirmed
bool AdvancedCopyPackages ( const [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString) > & SourceAndDestPackages, const bool bForceAutosave, const bool bCopyOverAllDestinationOverlaps, [FDuplicatedObjects](API\Developer\AssetTools\FDuplicatedObjects) * OutDuplicatedObjects, [EMessageSeverity::Type](API\Runtime\Core\Logging\EMessageSeverity__Type) NotificationSeverityFilter ) const